Pineapple Coconut Upside-Down Cake | Reader's Digest Canada

Ingredients

• 1 can unsweetened sliced pineapple (drained, 20 ounces)
• 3/4 cup unsalted butter (softened)
• 1/4 cup coconut oil
• 1-1/2 cups sugar
• 2 large egg yolks (room temperature)
• 1 tsp coconut extract
• 3 cups cake flour
• 3 tsp baking powder
• 1/2 tsp salt
• 1 can coconut milk (13.66 ounces)
• 6 large egg whites (room temperature)
• 1/8 tsp cream of tartar
• Toasted sweetened shredded coconut (optional)